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amiga-clib2/library/crtbegin.c
Olaf Barthel ead29c1850 - Reorganized the local header files, removing redundancies.
- Dropped unused stub code which is now redundant because of
  the constructor/destructor mechanism.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14891 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2005-03-18 12:38:25 +00:00

61 lines
1.6 KiB
C

/*
* $Id: crtbegin.c,v 1.10 2005-03-18 12:38:22 obarthel Exp $
*
* :ts=4
*
* Handles global constructors and destructors for the OS4 GCC build.
*/
#if defined(__amigaos4__)
/****************************************************************************/
#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif /* EXEC_TYPES_H */
/****************************************************************************/
/*
* Dummy constructor and destructor array. The linker script will put these at the
* very beginning of section ".ctors" and ".dtors". crtend.o contains a similar entry
* with a NULL pointer entry and is put at the end of the sections. This way, the init
* code can find the global constructor/destructor pointers
*/
static void (*__CTOR_LIST__[1]) (void) __attribute__(( used, section(".ctors"), aligned(sizeof(void (*)(void))) ));
static void (*__DTOR_LIST__[1]) (void) __attribute__(( used, section(".dtors"), aligned(sizeof(void (*)(void))) ));
/****************************************************************************/
void
_init(void)
{
int num_ctors,i;
int j;
for(i = 1, num_ctors = 0 ; __CTOR_LIST__[i] != NULL ; i++)
num_ctors++;
for(j = 0 ; j < num_ctors ; j++)
__CTOR_LIST__[num_ctors - j]();
}
/****************************************************************************/
void
_fini(void)
{
int num_dtors,i;
static int j;
for(i = 1, num_dtors = 0 ; __DTOR_LIST__[i] != NULL ; i++)
num_dtors++;
while(j++ < num_dtors)
__DTOR_LIST__[j]();
}
/****************************************************************************/
#endif /*__amigaos4__ */